Shaeffer, R. (2002). Elementary structures for architects and builders. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Shaeffer, R.E. Elementary Structures for Architects and Builders. Prentice Hall, 2002.
Lua MLA (8ú heag.)Shaeffer, R.E. Elementary Structures for Architects and Builders. Prentice Hall, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.